jQuery.preloadImages = function() {
  for(var i = 0; i<arguments.length; i++) {
    jQuery("<img>").attr("src", arguments[i]);
  }
}

$j(document).ready(function() {
	$j.preloadImages(
		"images/buttons/more-button1.jpg", 
		"images/buttons/more-button-hover1.jpg",
		"images/buttons/more-button2.jpg",
		"images/buttons/more-button-hover2.jpg",
		"images/buttons/more-button2.jpg",
		"images/buttons/more-button-hover2.jpg"
	);
});